{"product_id":"3-8ft-x-12ft-50-pack-galvanized-carriage-bolt-kit-durable-exterior","title":"3\/8ft x 12ft (50 Pack) Galvanized Carriage Bolt Kit - Durable Exterior","description":"\u003cp\u003eIn this review the reviewer looks at a 50 pack carriage bolt kit sized 3\/8' x 12' and aimed at outdoor carpentry projects. The bottom line: this kit is for homeowners and builders who need long, corrosion-resistant carriage bolts for decks, pergolas, fences and similar heavy duty uses. The single biggest reason to buy is the hot dip galvanized coating paired with Grade 307A bolts, which together provide superior corrosion resistance and long-term durability in exterior environments.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter and length:\u003c\/strong\u003e The 3\/8' diameter and 12' length make these bolts suitable for joining thick timbers and multi-piece assemblies without needing extensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot dip galvanized coating:\u003c\/strong\u003e The heavy zinc finish offers strong protection against rust and pitting for outdoor exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Each pack includes 50 carriage bolts, 50 USS thick washers and 50 hex nuts to provide everything needed for multiple fastenings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat head design:\u003c\/strong\u003e The carriage bolt flat head provides a semi-flush finish that reduces snagging and improves appearance on deck and fence rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade and hardware match:\u003c\/strong\u003e Grade 307A carriage bolts paired with grade 2 hex nuts and USS washers give a balanced combination of strength and value.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is best for DIY homeowners, fence installers, deck builders and hobbyist woodworkers who need reliable exterior fasteners in bulk for projects like decks, gazebos and pergolas. The 12' length fits situations where multiple boards or thick posts are fastened through, and the hot dip galvanized finish suits outdoor environments.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users needing stainless steel hardware for marine saltwater exposure or applications requiring metric sizes or finer strength grades than Grade 307A. If you only need a few bolts rather than a 50 pack, a smaller quantity option may be more economical.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood corrosion resistance from the hot dip galvanized finish, making the kit suitable for exterior use.\u003c\/li\u003e\n\u003cli\u003eComplete kit with washers and nuts saves time sourcing matching hardware.\u003c\/li\u003e\n\u003cli\u003eFlat head carriage bolts provide a neat, semi-flush appearance for finished work.\u003c\/li\u003e\n\u003cli\u003eCustomers report solid quality and value for money for fence and deck installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWashers received mixed feedback from some customers, suggesting occasional quality variation.\u003c\/li\u003e\n\u003cli\u003eGrade 307A and grade 2 nuts are suitable for most projects but may not meet high-strength structural specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e3\/8'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e12'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead diameter\u003c\/td\u003e\n\u003ctd\u003e0.813'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNut wrench size\u003c\/td\u003e\n\u003ctd\u003e9\/16'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWasher outside diameter\u003c\/td\u003e\n\u003ctd\u003e1'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit contents\u003c\/td\u003e\n\u003ctd\u003e50 carriage bolts, 50 USS thick washers, 50 hex nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating and grade\u003c\/td\u003e\n\u003ctd\u003eHot dip galvanized, Grade 307A bolts, grade 2 nuts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThis 50 pack carriage bolt kit is a practical, value-oriented choice for anyone building or repairing outdoor wood structures. The 3\/8' x 12' size, complete hardware set and hot dip galvanized finish make it a dependable option for decks, fences and pergolas, offering good durability at a reasonable price for most residential and light commercial projects.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these bolts suitable for exterior use?\u003c\/strong\u003e\u003cbr\u003eYes. The hot dip galvanized coating provides strong corrosion resistance for outdoor applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the nuts and washers come included?\u003c\/strong\u003e\u003cbr\u003eYes. Each pack includes 50 hex nuts and 50 USS thick washers matched to the bolts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wrench size is required?\u003c\/strong\u003e\u003cbr\u003eThe hex nuts use a 9\/16' wrench size.\u003c\/p\u003e","brand":"Makers Bolt","offers":[{"title":"Default Title","offer_id":48650023600347,"sku":"B0DH6TY2S7","price":84.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61fx-T2-upL._SL1500.jpg?v=1778731274","url":"https:\/\/gearmusthave.com\/products\/3-8ft-x-12ft-50-pack-galvanized-carriage-bolt-kit-durable-exterior","provider":"GearMustHave","version":"1.0","type":"link"}